8471322481 has 2 divisors, whose sum is σ = 8471322482. Its totient is φ = 8471322480.

The previous prime is 8471322473. The next prime is 8471322493. The reversal of 8471322481 is 1842231748.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8234655025 + 236667456 = 90745^2 + 15384^2 .

It is a cyclic number.

It is not a de Polignac number, because 8471322481 - 2³ = 8471322473 is a prime.

It is a super-2 number, since 2×8471322481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8471322421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4235661240 + 4235661241.

It is an arithmetic number, because the mean of its divisors is an integer number (4235661241).

Almost surely, 2^8471322481 is an apocalyptic number.

It is an amenable number.

8471322481 is a deficient number, since it is larger than the sum of its proper divisors (1).

8471322481 is an equidigital number, since it uses as much as digits as its factorization.

8471322481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86016, while the sum is 40.

The square root of 8471322481 is about 92039.7874888898. The cubic root of 8471322481 is about 2038.5298327936.

The spelling of 8471322481 in words is "eight billion, four hundred seventy-one million, three hundred twenty-two thousand, four hundred eighty-one".